<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <script src="js/vue.js"></script>
</head>
<body>
<div id="app">
  单选按钮：
  <input type="radio" id="one" value="One" v-model="picked">
  <label for="one">One</label>
  <input type="radio" id="two" value="Two" v-model="picked">
  <label for="two">Two</label>
  <span>选中的值: {{ picked }}</span>
</div>
</script>
<script>
  new Vue({
    el: '#app',
    data: {
      picked: ''
    }
  })
</script>

</body>
</html>